Improvement in traction-wheels



I, TOWNSEND: TRACTION WHEEL.

NO.181,7 45. Patent'edAugZQ, 1876.

WITNEEEEE: i INVENTEJR:

ATTmRNE Y;

I To all whoni it may concern.-

UNITED STATES PAT NT-QFFIQE.

15mm. TownsEND, on oAPEvILLE, vInGin A.

IMPROVElVlE'NTTlhILTRACTION-WHEELS.

Specification forming part of Letters Patent No. 181,745, dated August 29,- 1876; application filed March 15,1876.

Be it known that I, ISRAEL Townsnnn, of Gapeville,in the county of Northampton and- State of Virginia, have invented certain new and useful Improvements in Traction-Engines,

of which the following is a specification;

My invention relates to traction-engines for steam-plows, road-wagons, and other purposes;

and it consists, essentially,'in.the devices for holding the endless track down onto the ground in advance of the driving-wheels, as

will'be hereinafter more fully set forth.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I will nowjroceed' to describe its construction and operation, refer-.

ring to the annexed drawing, whichforms a part of thisspecification, and in which- Figure l is a side elevation of atraction-engine embodying my inyen tion. Fig. 2 is a section of the driving-wheel with track and dcvices connected thereto.

said wheel. The roller E has its journal-hearings in metal shoes H H, attached to, and depending from, the frame B,one on each side of the wheel, and said roller answers simply the purpose of holding the track down level in front of the wheel. The roller G is situated in front of the roller E, and has its hearings in two arms, I I, pivoted to the sides of the 'tightenthe en'dless track (1 D. The neem is propelled from the engine by means, of a-gear-w'heel, L, on the engine-:

7 frame B. The lower ends of these arms are,

by rodsor braces J J, connected with a crossbar, K, at the front e'nd of theframe B. This cross-bar is provided with a bolt, 12, that passes through a plate or bar, e,',ifa'sten 'ed'to the frame, and'a thumb-nut, d, is screwed on the end of said'bolt, whereby thefc'ross -bmK may raised or' lowered as required bifproperly shaft, :which meshes 1 with. a' pinion, f, on a shaft, h, and said shaft has a pinionfl, on its lower end, which meshes with a cog-wheel, P,

secured to the side of'the driving-wheelA, as

shown.

By means of the. rollers E and G, as de- I scribed, the endless track is held at the proper tension and laid down level in front of the wheel A, which wheel, as it moves, takes up and moves the track.

Having thus fully described my invention,

what I claim as new, and desire to secure by Letters Patent, is-

1. The combination, with the wheel A and endless track 0 D, of the stationary rotating roller E, and the adjustable roller G, both arranged in front of the wheel, substantially as and for the purposes herein set forth.

2. The combination of the roller G, pivoted arms I I, brace-rods J J crossbar K, bolt 1), and nut 11, all substantially as and for the purposes herein set forth.

In testimony that I claim the foregoing as 'myown I aflix my signature in presence of .twowitnesses.

ISRAEL TOWNSEND.

Witnesses:

Brennan W. NOTTINGHAM 7 Enwn. M. HALLETT. 

